From: Arjan van de Ven <arjanv@redhat.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Arjan van de Ven <arjanv@redhat.com>,
Szakacsits Szabolcs <szaka@sienet.hu>,
linux-kernel@vger.kernel.org
Subject: Re: 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63))
Date: Wed, 12 Mar 2003 15:24:57 +0000 [thread overview]
Message-ID: <20030312152457.E32093@devserv.devel.redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0303120717270.13807-100000@home.transmeta.com>; from torvalds@transmeta.com on Wed, Mar 12, 2003 at 07:20:39AM -0800
On Wed, Mar 12, 2003 at 07:20:39AM -0800, Linus Torvalds wrote:
>
> On 12 Mar 2003, Arjan van de Ven wrote:
> >
> > and all vendors always ship -fno-frame-pointer kernels so far so those
> > users are ok! Until recently there was no way to build a non
> > -fno-frame-pointer kernel!
>
> Not entirely true.
>
> Even with the traditional -fomit-frame-pointer build, "sched.c" has always
> been built with -fno-fomit-frame-pointer in order to get the correct
> "wchan" of callers of schedule() and wait_on().
>
> See kernel/Makefile for details.
>
> So yes, old kernels (and CONFIG_FRAME_POINTER=n) have traditionally
> avoided the bug _mostly_. But it could still bite us in some rather
> important functions.
I know. And when the gcc bug was found (and fixed)
we audited the disassembly of sched.o for this and it
didn't get triggered by this bug.
next prev parent reply other threads:[~2003-03-12 15:14 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-02 1:38 ntfs OOPS (2.5.63) Randy.Dunlap
2003-03-04 14:51 ` [Linux-NTFS-Dev] " Szakacsits Szabolcs
2003-03-05 19:09 ` Anton Altaparmakov
2003-03-06 6:19 ` Randy.Dunlap
2003-03-06 6:28 ` Szakacsits Szabolcs
2003-03-06 6:42 ` Randy.Dunlap
2003-03-06 12:32 ` Anton Altaparmakov
2003-03-06 14:34 ` Szakacsits Szabolcs
2003-03-06 14:55 ` Anton Altaparmakov
2003-03-06 19:39 ` Randy.Dunlap
2003-03-06 19:41 ` Szakacsits Szabolcs
2003-03-06 20:15 ` Szakacsits Szabolcs
2003-03-06 20:36 ` Randy.Dunlap
2003-03-06 21:46 ` Oops counter (was Re: ntfs OOPS (2.5.63)) Szakacsits Szabolcs
2003-03-07 7:50 ` [Linux-NTFS-Dev] ntfs OOPS (2.5.63) Randy.Dunlap
2003-03-07 7:52 ` Szakacsits Szabolcs
2003-03-07 17:17 ` Randy.Dunlap
2003-03-07 17:56 ` Szakacsits Szabolcs
2003-03-07 18:08 ` Randy.Dunlap
2003-03-08 13:24 ` Szakacsits Szabolcs
2003-03-08 15:47 ` Szakacsits Szabolcs
2003-03-10 4:16 ` Randy.Dunlap
2003-03-10 7:22 ` 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63)) Szakacsits Szabolcs
2003-03-11 17:01 ` Alan Cox
2003-03-11 16:29 ` Szakacsits Szabolcs
2003-03-12 1:09 ` Alan Cox
2003-03-13 18:02 ` Zach Brown
2003-03-12 0:39 ` Linus Torvalds
2003-03-12 6:07 ` Szakacsits Szabolcs
2003-03-12 7:52 ` Richard Henderson
2003-03-12 8:02 ` Szakacsits Szabolcs
2003-03-12 8:17 ` Richard Henderson
2003-03-12 8:45 ` Szakacsits Szabolcs
2003-03-12 9:17 ` Szakacsits Szabolcs
2003-03-12 15:28 ` Szakacsits Szabolcs
2003-03-12 15:38 ` Linus Torvalds
2003-03-12 23:14 ` Bill Davidsen
2003-03-12 10:19 ` Arjan van de Ven
2003-03-12 15:20 ` Linus Torvalds
2003-03-12 15:24 ` Arjan van de Ven [this message]
2003-03-12 15:35 ` Szakacsits Szabolcs
2003-03-12 15:43 ` Arjan van de Ven
2003-03-12 15:47 ` Linus Torvalds
2003-03-12 16:38 ` Randy.Dunlap
2003-03-12 16:50 ` Randy.Dunlap
2003-03-12 18:25 ` Szakacsits Szabolcs
2003-03-12 18:33 ` Linus Torvalds
2003-03-12 21:54 ` Szakacsits Szabolcs
2003-03-12 22:18 ` Linus Torvalds
2003-03-12 22:28 ` Szakacsits Szabolcs
2003-03-13 1:07 ` Linus Torvalds
2003-03-14 8:04 ` Szakacsits Szabolcs
2003-03-14 10:00 ` Helge Hafting
2003-03-14 11:02 ` Szakacsits Szabolcs
2003-03-13 21:07 ` Horst von Brand
2003-03-13 23:24 ` Linus Torvalds
2003-03-14 1:08 ` Jonathan Lundell
2003-03-14 4:29 ` Randy.Dunlap
2003-03-14 6:26 ` Jonathan Lundell
2003-03-15 18:24 ` Horst von Brand
2003-03-15 19:47 ` Randy.Dunlap
2003-03-12 21:13 ` Horst von Brand
2003-03-12 22:03 ` Szakacsits Szabolcs
2003-03-13 21:04 ` Horst von Brand
2003-03-14 7:14 ` Denis Vlasenko
2003-03-14 12:16 ` Backward disassembling (was: Re: 2.5.63 accesses below %esp) Szakacsits Szabolcs
2003-03-14 16:53 ` Jonathan Lundell
2003-03-15 18:34 ` 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63)) Horst von Brand
2003-03-17 6:56 ` Denis Vlasenko
2003-03-17 21:43 ` Horst von Brand
2003-03-18 3:28 ` Keith Owens
2003-03-18 7:13 ` Hugh Dickins
2003-03-20 10:48 ` Keith Owens
2003-03-20 11:04 ` Hugh Dickins
2003-03-18 19:44 ` Szakacsits Szabolcs
2003-03-18 6:05 ` Denis Vlasenko
2003-03-18 6:35 ` John Alvord
2003-03-14 18:01 ` Olaf Titz
2003-03-14 18:56 ` Richard B. Johnson
2003-03-12 23:32 ` [PATCH] OOPS counters Randy.Dunlap
2003-03-06 12:27 ` [Linux-NTFS-Dev] ntfs OOPS (2.5.63) Anton Altaparmakov
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